Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors
Au'au Channel

PWF-NP_3876 – Residency

5th sighting in Au'au Channel
Fluke of PWF-NP_3876
PWF-NP_3876 Confirmed in the catalog @51885
Jan 14 – Feb 18, 2023 · Au'au Channel

Au'au Channel · Jan – Feb 2023

58 m
Deepest dive
2:29
Longest dive
32
Dives
Sightings
4
Days between first and last sighting
35
Deepest dive on record
58 m · this residency

Dive stats modelled within real depth limits — not measured

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SightingSeafloorSea tempDeepest dive (modelled)
Jan 14, 202380 m—58 m
Jan 23, 202332 m—29 m
Jan 25, 202318 m—16 m
Feb 18, 202317 m—15 m

Seafloor and sea temperature measured · ✳ dives modelled

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Deepest dive against the seafloor, per sighting

Seafloor · measured Deepest dive · modelled
Jan 14, 2023 — seafloor 80 m (measured), deepest dive 58 m (modelled)Jan 14Jan 23, 2023 — seafloor 32 m (measured), deepest dive 29 m (modelled)Jan 23Jan 25, 2023 — seafloor 18 m (measured), deepest dive 16 m (modelled)Jan 25Feb 18, 2023 — seafloor 17 m (measured), deepest dive 15 m (modelled)Feb 18

Depth runs down from the surface. The modelled dive never passes the measured seafloor at that sighting.

Dives

58 m
Deepest dive
2:29
Longest dive
32
Dives
15 m
Avg dive depth
4
Sightings
35
Days first → last

Dive metrics are modelled within real depth limits — not measured

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Dive profile

modelled
05010058 mstartdive sequence (illustrative)

Depth shaped by the seafloor limit here (80 m) and the published dive-behaviour distribution. Modelled, not measured.

Deep Effort Score

Deep

Depth, duration and recovery resolved into a single number for this session.

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Place

Where this happened · Jan 14, 2023

measured
Seafloor depth
80 m
Sea-surface temperature
—
Distance from shore
4.0 km

Across the residency · 4 sightings

measured
Seafloor depth
17 m – 80 m
Sea-surface temperature
—
Distance from shore
1.0 km – 4.0 km

Sources: GEBCO seafloor grid · PacIOOS coastline distance

Activity map — real sighting points on an OpenStreetMap basemap © OpenStreetMap contributors

Source records

This activity is assembled from 4 catalogued encounters on Happywhale.

Sighting records from Happywhale, published as occurrence data via GBIF. Individual records are licensed CC0 1.0, CC BY 4.0 or CC BY-NC 4.0, depending on the contributor.

The photographs and fluke identifications behind every sighting are the work of the contributing observers — the citizen scientists, naturalists and operators who logged them, each named in the underlying GBIF occurrence record. Every activity links out to its source encounters on Happywhale. Basemaps © OpenStreetMap contributors (ODbL).

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Breach is an independent project. It is not affiliated with, nor endorsed by, Happywhale or GBIF.